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Improvement of Al thin film morphology with picosecond pulsed laser deposition in burst mode

期刊: APPLIED PHYSICS EXPRESS, 2021; 14 (7)

We studied the influences of the number of sub-pulses within a burst on the surface morphology of Al thin films deposited by picosecond pulsed laser. ......

Terahertz superlattice modes in moire metasurface composed of twisted square and hexagonal lattices

期刊: APPLIED PHYSICS EXPRESS, 2021; 14 (6)

We numerically investigate the terahertz superlattice mode in a moire metasurface containing fringe of squares and hexagonal structures. The edge of m......

N-doped anatase TiO2 as an efficient electron transport layer for mesoporous perovskite solar cells

期刊: APPLIED PHYSICS EXPRESS, 2021; 14 (7)

In this work, anatase N-doped TiO2 was prepared by a facile pre-sintering method. The usage of N-doped TiO2 not only improved the electrical performan......

Polarity tuning of crystalline AlN films utilizing trace oxygen involved sputtering and post-high-temperature annealing

期刊: APPLIED PHYSICS EXPRESS, 2021; 14 (8)

The polarity tuning of AlN films via introducing a period of trace oxygen supply in the initial sputtering process was demonstrated. High-temperature ......

Lensless multimode fiber imaging based on wavefront shaping

期刊: APPLIED PHYSICS EXPRESS, 2021; 14 (9)

In this letter, we proposed a compact multimode fiber (MMF)-based laser scanning endoscope (LSE) using wavefront shaping with a liquid crystal spatial......

Weyl points and nodal lines in acoustic synthetic parameter space

期刊: APPLIED PHYSICS EXPRESS, 2021; 14 (7)

Weyl semimetals, which are a class of materials, have attracted extensive attention in condensed matter physics. In this letter, we report one-dimensi......

All polarization-maintain fiber mode-locked laser based on nonlinear polarization evolution

期刊: APPLIED PHYSICS EXPRESS, 2021; 14 (9)

We propose and demonstrate an all polarization-maintain fiber (PMF) mode-locked laser based on nonlinear polarization evolution without any splicing a......

Half-integer Shapiro-steps in superconducting qubit with a pi-Josephson junction

期刊: APPLIED PHYSICS EXPRESS, 2021; 14 (10)

A superconducting quantum interference device (SQUID) comprising 0- and pi-Josephson junctions (JJs), called pi-SQUID, is studied by the resistively s......

Kinetic progress in post-synthetic doping of 2D perovskite nanoplatelets

期刊: APPLIED PHYSICS EXPRESS, 2021; 14 (5)

Room-temperature post-synthetic doping in perovskite has drawn much attention for its looser condition and controllable doping. Compared with direct s......

Rabi splitting obtained in exciton-plasmon polaritons coupling between monolayer black phosphorus with metal

期刊: APPLIED PHYSICS EXPRESS, 2021; 14 (8)

The strong coupling between the exciton polariton and the plasmon polariton produced by the interaction of light and matter forms a new hybrid polarit......

Grain-size effect on coercivity of Nd-Fe-B nanomagnets: micromagnetics simulation based on a multi-grain model

期刊: APPLIED PHYSICS EXPRESS, 2021; 14 (8)

The coercivity (H (c)) of nanocrystalline Nd-Fe-B magnet was simulated by multi-grain models in combination with hybrid Monte Carlo method. The simula......

Significant improvement of the critical current of MOD-derived YBa2Cu3O7-delta -coated conductors by post-annealing treatment

期刊: APPLIED PHYSICS EXPRESS, 2021; 14 (5)

This paper reports that in REBa2Cu3O7-delta (RE123 or REBCO, RE = Y or rare earth)-coated conductors (CCs) prepared by ex situ metal-organic depositio......

A Watt-level noise-like Tm-doped fiber oscillator by nonlinear polarization rotation

期刊: APPLIED PHYSICS EXPRESS, 2021; 14 (5)

We propose a high-power, noise-like pulse (NLP), Tm-doped fiber oscillator applying the nonlinear polarization rotation method. The repetition rate is......

Surface grating VCSEL-integrated amplifier/beam scanner with high power and single mode operation

期刊: APPLIED PHYSICS EXPRESS, 2021; 14 (6)

We propose and demonstrate a novel surface-grating vertical cavity surface emitting laser (VCSEL)-integrated amplifier/beam scanner. When the surface ......

Single-beam three-axis optically pumped magnetometers with sub-100 femtotesla sensitivity

期刊: APPLIED PHYSICS EXPRESS, 2021; 14 (6)

We demonstrate a single-beam three-axis parametric-resonance magnetometer operated in near-zero fields. By reflecting the incident laser beam at 90 de......

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